A secondary consumer cannot survive, if there are no plants on the earth because

thats easy... like really easy like really really easy.

oh well, here it is ✍(◔◡◔)

if there was no plant, all the herbivores would die of hunger,

no herbivores, means no food for carnivores, (AKA) secondary consumers, which would eventually mean they would eat each other causing a mass extinction in almost all secondary consumers

answer: 45

explanationyou have to add as well to be it could be

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )